UE5 Senior Gameplay Engineer

2 weeks ago

Montréal QC HK T, Canada e9b98008-1ce7-4072-ade0-a25ed5ba10e7 Full time $120,000 - $180,000 per year
You've debugged replication at 3 AM. You know why 16ms matters. Now build something new.

Join 20+ industry veterans with backgrounds on Call of Duty, Halo, PUBG, and Bioshock. We're Ironbelly Studios—building a competitive multiplayer FPS from the ground up in Unreal Engine 5.

The Role

You'll own the multiplayer systems architecture for a hardcore PC shooter targeting competitive players who notice every frame.

Core Focus:

  • Design server-authoritative gameplay with client prediction and lag compensation
  • Build weapon systems with ballistics, penetration, and damage modeling
  • Optimize for rock-solid 60+ FPS in high-intensity multiplayer scenarios
  • Establish Unreal networking best practices across the team

You'll Also Touch:

  • Inventory replication and loot systems
  • Session management and matchmaking integration
  • Backend service integration as systems scale
What You Bring

Required:

  • 3+ years with Unreal Engine multiplayer development (C++)
  • Shipped at least 1 commercial multiplayer title
  • Deep understanding of replication, RPCs, and lag compensation
  • Hands-on weapon systems or combat mechanics experience

Bonus:

  • Extraction shooter or Battle Royale background
  • Gameplay Ability System (GAS) expertise
  • Experience scaling to 1000+ concurrent players
  • Anti-cheat or competitive integrity work
Why Ironbelly?

Proven Team: Our veterans have contributed to 300+ projects across AAA and indie—including franchises you've played.

Technical Ownership: Senior engineers drive architecture. No death by committee.

Stable Foundation: Fully funded with clear roadmap and experienced leadership.

Real Benefits: Competitive salary, health coverage (dental, vision), generous PTO.

Location

Hybrid in Montreal, Quebec — Collaborate with the team 1-3 days per week at our Basecamp in one of gaming's best cities.

We're building a centralized team here. If you're not local, relocation support available for the right candidate.

Ready?

If you've built multiplayer systems that survive real players, we should talk.

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